layui.use(['echarts'], function() {
    let echarts = layui.echarts;

    var line4 = echarts.init(document.getElementById('line4'), null, {
        width: 600,
        height: 400,
    });

    const colorList = ['#9E87FF', '#73DDFF', '#fe9a8b', '#F56948', '#9E87FF'];
    option = {
        title: {
            text: 'Stacked Line',
        },
        tooltip: {
            trigger: 'axis',
        },
        legend: {
            data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine'],
        },
        grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true,
        },
        toolbox: {
            feature: {
                saveAsImage: {},
            },
        },
        xAxis: {
            type: 'category',
            boundaryGap: false,
            data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
        },
        yAxis: {
            type: 'value',
        },
        series: [
            {
                name: 'Email',
                type: 'line',
                stack: 'Total',
                data: [120, 132, 101, 134, 90, 230, 210],
            },
            {
                name: 'Union Ads',
                type: 'line',
                stack: 'Total',
                data: [220, 182, 191, 234, 290, 330, 310],
            },
            {
                name: 'Video Ads',
                type: 'line',
                stack: 'Total',
                data: [150, 232, 201, 154, 190, 330, 410],
            },
            {
                name: 'Direct',
                type: 'line',
                stack: 'Total',
                data: [320, 332, 301, 334, 390, 330, 320],
            },
            {
                name: 'Search Engine',
                type: 'line',
                stack: 'Total',
                data: [820, 932, 901, 934, 1290, 1330, 1320],
            },
        ],
    };

    line4.setOption(option);

    window.onresize = function() {
        line4.resize();
    };

});
